38990120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 95573520

約数和(自身を除く): 56583400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 773, 776, 970, 1261, 1546, 1940, 2522, 3092, 3865, 3880, 5044, 6184, 6305, 7730, 10049, 10088, 12610, 15460, 20098, 25220, 30920, 40196, 50245, 50440, 74981, 80392, 100490, 149962, 200980, 299924, 374905, 401960, 599848, 749810, 974753, 1499620, 1949506, 2999240, 3899012, 4873765, 7798024, 9747530, 19495060, 38990120]

約数ペア:

[(1, 38990120), (2, 19495060), (4, 9747530), (5, 7798024), (8, 4873765), (10, 3899012), (13, 2999240), (20, 1949506), (26, 1499620), (40, 974753), (52, 749810), (65, 599848), (97, 401960), (104, 374905), (130, 299924), (194, 200980), (260, 149962), (388, 100490), (485, 80392), (520, 74981), (773, 50440), (776, 50245), (970, 40196), (1261, 30920), (1546, 25220), (1940, 20098), (2522, 15460), (3092, 12610), (3865, 10088), (3880, 10049), (5044, 7730), (6184, 6305)]